Answer:
Infrared
Explanation:
the connection which requires an unobstructed "line of sight" between transmitter and receiver is called Infrared connection.
Infrared is the device which is used in T. V remotes.
Infrared is also used in computer in the device like cordless keyboard, mouses and infra touch screen.
Answer: B. Interrupts
Explanation:
Interrupts is a feature of digital computers that enables the interruption of the process the computer is currently engaged in so that the computer can process the new command. Interrupts is the reason I am able to type this answer because interrupts is interrupting my browser to process my typing.
If a user reports that their computer monitor will not allow her or him to switch back and forth between Microsoft Word and Internet Explorer, it is possible that the interrupts function is not working effectively to enable the switch. by interrupting one of the programs.
Six.
There are six comparison operators:
The equals operator: ==
The not equals operator: !=
The greater than operator: >
The less than operator: <
The greater than or equal to operator: >=
The less than or equal to operator: <=
Answer:
The correct option is C: Radio frequency identification tags
Explanation:
Radio frequency identification tags also known as RFID tags involves the use of radio waves to receive, store, and transmit data which are usually stored on a tag that is attached to an object. A tag contains microprocessors and tiny antennas and whether it is in line of sight or not, it can be tracked and information transmitted from it.
Answer:
d) Improper documentation
Explanation:
A flowchart is a type of diagram in which it presents the flow of the work or how the process is to be followed. It is a diagram that represents an algorithm that defines step by step approach to solving the task. In this, there are various boxes that are linked with the arrows
There are various advantages like in this, there is a better communication, coding is to be done in an efficient way, system could be tested also there is a proper documentation
hence, the correct option is d
